Pith Number

pith:NLDEMHQW

pith:2016:NLDEMHQWZQBQPUFB6Q7KDN4GLB

not attested not anchored not stored refs pending

Second variation for L-minimal Legendrian submanifolds in pseudo-Sasakian manifolds

David Petrecca, Lars Sch\"afer

arxiv:1604.00835 v2 · 2016-04-04 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NLDEMHQWZQBQPUFB6Q7KDN4GLB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:35:18.686184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ac6461e16cc0307d0a1f43ea1b786586847f10a3dc009d73d3e069736aeb49c

Aliases

arxiv: 1604.00835 · arxiv_version: 1604.00835v2 · doi: 10.48550/arxiv.1604.00835 · pith_short_12: NLDEMHQWZQBQ · pith_short_16: NLDEMHQWZQBQPUFB · pith_short_8: NLDEMHQW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NLDEMHQWZQBQPUFB6Q7KDN4GLB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6ac6461e16cc0307d0a1f43ea1b786586847f10a3dc009d73d3e069736aeb49c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30a30ddd254036774899ce52f15be220cfaff615e1bdb08f417e97a36851487e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-04-04T12:30:06Z",
    "title_canon_sha256": "f9a618406b1b7a6d7d93f21a5f668192d48025ca285aa1a48f236786e7d3a3d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00835",
    "kind": "arxiv",
    "version": 2
  }
}